LT255/70R17 in inches

How tall is a LT255 70R17 tire?

When converted to inches, the equivalent of a LT255/70R17 tire size is 31x10R17. It means that:

  • height overall (or diameter) is 31 inches
  • tread width is 10 inches
  • wheel diameter is 17 inches

Learn more

LT255/70R17 tire size in inches
LT255/70R17 tire size chart

LT255/70R17 tire size in inches

LT255/70R17 Height / overall diameter: 31 inches
Height / overall diameter
31 inches
LT255/70R17 Tread width: 10 inches
Tread width
10 inches
LT255/70R17 Sidewall: 7 inches
Sidewall
7 inches
LT255/70R17 Wheel diameter: 17 inches
Wheel diameter
17 inches
LT255/70R17 Circumference: 97.3 inches
Circumference
97.3 inches
LT255/70R17 Revolutions: 652 per mile
Revolutions
652 per mile

LT255/70R17 — what does it mean?

  • LT means "light truck"
  • 255 stands for tread width in millimeters
  • 70 is an aspect ration between the tread width and the sidewall in percents
  • R means that the tire has a radial construction
  • 17 is a wheel diameter (or rim) in inches

LT255/70R17 tire code
LT255/70R17 tire code

How to convert LT255 70R17 to inches?

First of all, we need to divide 255 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 10″. Then, 70% of the 10″ will result in 7″ sidewall.

To get the total height or tire diameter, we need to sum the 17″ rim diameter with two of the sidewall heights. It will result in a 31″ total tire diameter (or height).

For your convenience, below is a table for LT255/70R17 conversion to inches:

Inches Metric
Overall diameter (height) 31″ 787 mm
Tread width 10″ 255 mm
Wheel diameter 17″ 787 mm
Sidewall height 7″ 179 mm
Circumference 97.3″ 2471 mm
Revolutions 652 / ml 405 / km

Alternatives to a LT255/70R17 tire

If you're looking to upsize your LT255 70R17 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
P265/70R17 31.6″ 0.5% 10.4″ 17″
265/70R17 31.6″ 0.5% 10.4″ 17″
LT265/70R17 31.6″ 0.5% 10.4″ 17″
245/75R17 31.4″ 0.35% 9.6″ 17″
245/70R17 30.6″ -0.32% 9.6″ 17″
265/65R17 30.6″ -0.32% 10.4″ 17″
235/80R17 31.8″ 0.66% 9.3″ 17″
275/65R17 31″ 0% 10.8″ 17″
285/65R17 31.6″ 0.5% 11.2″ 17″
255/70R17 31″ 0% 10″ 17″